Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to f945b798779f0b50cd792cf9f929c5b87f68c5f4
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I9460de347fb717813243a21c7898d02865ddc0dc
    
wikimedia/pywikibot-core,wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core